World Solve — A living repository of problems worth solving.

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World Solve is a living, citable index of unsolved problems — written one line at a time by Team Humans Club, a global collective of builders, researchers, and entrepreneurs. We do not solve the problems here. We Democratize Innovation.

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Soil degradation is reducing crop yields across the continent.

open Africa, Africa

Decades of overfarming without replenishment have depleted nutrients, and fertilizer remains too costly for most smallholders. Affordable soil-testing kits and precision fertilizer blending could reverse the trend.

climate-environment africa soil degradation reducing crop yields continent fertilizer decades overfarming replenishment global-unspecified way have don philosophy-ethics whether

WS01516 · Logged by Ian Patel on 2026-07-22T13:46:00Z · Working on: 0

Citation ID: WS01516 Title: Soil degradation is reducing crop yields across the continent. URL: https://worldsolve.org/index.php?api=problem&id=1516

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